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We are running Champion N3C in our BN2; they work well.<br>
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The shop manual calls for Champion NA.8 (whatever those are):<br>
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<div class="moz-cite-prefix">On 1/27/2021 1:16 PM, Michael MacLean
wrote:<br>
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<div dir="ltr" data-setdir="false">Not to get too far off the
subject about Healeys, but my Harley Davidson (30s technology
like our cars) runs the best on the cheapest Ford Autolite
4164 copper plugs. I tried "high performance" plugs from
Harley Davidson and saw no difference. Best of all they are
only 89 cents a piece when on sale and I only need two at a
time. Does anyone know for sure which Champion plug works for
the BN2?<br>
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<div dir="ltr" data-setdir="false">Mike MacLean<br>
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<div> On Wednesday, January 27, 2021, 10:18:57 AM PST, Kees
Oudesluijs <a class="moz-txt-link-rfc2396E" href="mailto:coudesluijs@chello.nl"><coudesluijs@chello.nl></a> wrote: </div>
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<p>Never had much problems with trouble because of plugs
on any of my vehicles in the past 55 years. The only
thing that is more or less important is to gap them,
clean them once in a while and replace when they are
to far gone. I do not think I even did that in the
last ten years or so. I have nearly always used
Champion plugs as they are very cheap: between €8 and
€15 for four.</p>
<p>I presume that electronic ignition (Pertronix in my
case) may also help.</p>
<p>Kees Oudesluijs</p>
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<div class="yiv9461297388moz-cite-prefix">Op 27-1-2021
om 18:27 schreef Laurie Wilford:<br clear="none">
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<div>I continue to use only Champion plugs in my
Healeys but have experienced at least two episodes
of plug problems over the years. Based on the number
of miles covered that is probably not too bad, but
the second time was with a newly installed set of
plugs. One was defective. </div>
<div>Both times the symptoms were intermittent missing
both at idle and on the highway. Finally changing
plugs was of course one of the last things I did.</div>
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<div>Laurie Wilford </div>
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<div style="font-size:85%;color:#575757;">Sent from
my Galaxy</div>
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